The B21-113 energy meter is a 65A direct connect device designed for single-phase power systems operating at 230 VAC. It features pulse output and M-Bus TP communication capabilities. The meter has an accuracy of active energy class 1%, ensuring precise measurement within a range of 220-240 V between the neutral and live wires. With a protection degree of IP20, it offers reliable performance in various environments. The backlit pixel-oriented LCD display provides clear visibility of readings. As part of the sub-group Steel functionality, this meter supports active energy measurement, class 1 accuracy, and pulse output/alarm functions. It is designed to be mounted on a DIN rail and occupies two modules of space.